CRLF injection vulnerability in Jenkins before 1.491, Jenkins LTS before 1.480.1, and Jenkins Enterprise 1.424.x before 1.424.6.13, 1.447.x before 1.447.4.1, and 1.466.x before 1.466.10.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.